The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 17, 2025

Filed:

May. 23, 2023
Applicant:

Aac Technologies (Nanjing) Co., Ltd., Nanjing, CN;

Inventors:

Lin Qian, Nanjing, CN;

Shun Guo, Nanjing, CN;

Xueyuan Zhu, Nanjing, CN;

Weiling Shi, Nanjing, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 25/064 (2016.01); H02K 11/215 (2016.01); H02K 41/03 (2006.01);
U.S. Cl.
CPC ...
H02P 25/064 (2016.02); H02K 11/215 (2016.01); H02K 41/031 (2013.01);
Abstract

The present disclosure provides a direct drive system, a control method for the same, an electronic device and a storage medium. In the direct drive system, the plurality of primary units are designed to have the position mode and the current mode. In the position mode, a position control instruction is output according to the absolute position information of a mover on the guide rails and predetermined positions of the mover on the guide rails, in order for a respective driver to adjust current in at least one winding primary unit according to the position control instruction, to move the respective mover to a predetermined position. In the current mode, a current control instruction is output, in order for the respective driver to provide current to the at least one winding according to the current control instruction, to compensate a thrust loss occurred in movement of the respective mover.


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